Tell us a bit about who you are and the people you reach

Existing website

Inspirational websites

The design should be relatively subtle and clean, for example:
twitter.com
facebook.com
quora.com
flickr.com

Page descriptions

the home page shows the most popular/interesting information for the currently signed-in or anonymous user

(please see attached sketch for details)
The homepage shows
1. (optional) a user's "poll" - something the users can create and publish to their friends
2. browsing controls to narrow the display by categories and other filters
3. list of most interesting tweets
4. list of most popular objects (with the most tweets)
5. a navigation area with name, search box and sign-in controls
6. some explanation text
7. controls to publish new questions/polls

Other notes

if possible the design should be relatively simple and clean,
using big and clear design elements

The design must be 960px wide

the site is targeting a younger (<35 y/o), more internet-savvy audience